+
+try {
+ ion\serialize(new except(true));
+} catch (Exception $e) {
+ printf("caught %s: %s\n", get_class($e), $e->getMessage());
+}
+try {
+ ion\unserialize(ion\serialize(new except()));
+} catch (Exception $e) {
+ printf("caught %s: %s\n", get_class($e), $e->getMessage());
+}